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87. What is the use of barium hydroxide in the precipitation of standard NaOH solution? a. catalyst b. preservative c. precipitate any carbonate in present in solution d. prevent the reaction of NaOH with carbonate 88. The general inspection levels on the right-hand side of the master table are the ones to be used in most sampling cases. Unless otherwise specified, Inspection level_ should be used a. I C. III b. IV d. II 89.33.5ml of 0.9998N NaOH was used in the titration of 50ml HCI solution. Calculate the normality. a. 0.6969N C. 0.6779N b. 0.6689N d. 0.6699N

87. What is the use of barium hydroxide in the precipitation of standard NaOH solution? a. catalyst b. preservative c. precipitate any carbonate in present in solution d. prevent the reaction of NaOH with carbonate 88. The general inspection levels on the right-hand side of the master table are the ones to be used in most sampling cases. Unless otherwise specified, Inspection level_ should be used a. I C. III b. IV d. II 89.33.5ml of 0.9998N NaOH was used in the titration of 50ml HCI solution. Calculate the normality. a. 0.6969N C. 0.6779N b. 0.6689N d. 0.6699N

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by completions of the statement. Select the one lettered answer or completion that is best in each case. Write your answer before each number. 87.What is the use of barium hydroxide in the precipitation of standard NaOH solution? a. catalyst b. preservative C. precipitate any carbonate in present in solution d. prevent the reaction of NaOH with carbonate 88. The general inspection levels on the right-hand side of the master table are the ones to be used in most sampling cases. Unless otherwise specified, Inspection level should be used a. I C. III b. IV d. II 89.33.5ml of 0.9998N NaOH was used in the titration of 50ml HCI solution. Calculate the normality. a. 0.6969N C. 0.6779N b. 0.6689N d. 0.6699N
Transcribed Image Text:Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by completions of the statement. Select the one lettered answer or completion that is best in each case. Write your answer before each number. 87.What is the use of barium hydroxide in the precipitation of standard NaOH solution? a. catalyst b. preservative C. precipitate any carbonate in present in solution d. prevent the reaction of NaOH with carbonate 88. The general inspection levels on the right-hand side of the master table are the ones to be used in most sampling cases. Unless otherwise specified, Inspection level should be used a. I C. III b. IV d. II 89.33.5ml of 0.9998N NaOH was used in the titration of 50ml HCI solution. Calculate the normality. a. 0.6969N C. 0.6779N b. 0.6689N d. 0.6699N
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